Cam Jansen and the Mystery of the Stolen Diamonds

When Cam and her best friend Eric are interrupted in the middle of the memory game by the alarm bell of a nearby jewelry shop, they watch the police catch a man running from the scene of the crime. But when the police find he doesn't have any stolen jewels, they have to let him go. Cam's not so sure the man is as innocent as he claims. Can her photographic memory provide some clues that the police might have overlooked?